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git -> show list of files changed in recent commits in a specific directory
...es -- for details see the online manual at http://svnbook.red-bean.com/en/1.7/svn.ref.svn.c.log.html
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Is there a REAL performance difference between INT and VARCHAR primary keys?
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Performant Entity Serialization: BSON vs MessagePack (vs JSON)
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199
// Please note that I'm author of MessagePack. This answer may be biased.
Format design
Com...
How do I check if a C++ std::string starts with a certain string, and convert a substring to an int?
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Plot two graphs in same plot in R
I would like to plot y1 and y2 in the same plot.
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How can I print variable and string on same line in Python?
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Entity Framework: There is already an open DataReader associated with this Command
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PostgreSQL DISTINCT ON with different ORDER BY
...approaches:
The general solution that should work in most DBMSs:
SELECT t1.* FROM purchases t1
JOIN (
SELECT address_id, max(purchased_at) max_purchased_at
FROM purchases
WHERE product_id = 1
GROUP BY address_id
) t2
ON t1.address_id = t2.address_id AND t1.purchased_at = t2.max_pur...
How do I find the last occurrence of a substring in an NSString?
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Measuring text width to be drawn on Canvas ( Android )
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answered Jul 15 '10 at 16:02
Marc BernsteinMarc Bernstein
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